@article{PIM2_1984__35(49)_257669,
     author = {Do\v{s}en, Kosta},
     title = {Intuitionistic double negation as a necessity operator.},
     journal = {Publications de l 'Institut Math\'ematique. Nouvelle S\'erie},
     pages = {15},
     publisher = {mathdoc},
     volume = {35(49)},
     year = {1984},
     zbl = {0555.03012},
     language = {en},
     url = {https://geodesic-test.mathdoc.fr/item/PIM2_1984__35(49)_257669/}
}